Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam cac chu snippets" » "nam cao chu snippets", "nam sach chu snippets", "nam cac thu snippets", "nam cac che snippets", "nam cac khu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nam cac chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam cac chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam cac chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam cac chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.